Obsidian Therapeutics, Inc. - Common Stock, $0.0001 par value per share (OBX)

Q: What does CUSIP 67448A106 represent in this 13F holders report?

CUSIP 67448A106 is the security identifier for OBX - Obsidian Therapeutics, Inc. - Common Stock, $0.0001 par value per share used to aggregate holder disclosures.

Q: How many institutions held OBX - Obsidian Therapeutics, Inc. - Common Stock, $0.0001 par value per share in Q3 2026?

3 institutional investors reported OBX - Obsidian Therapeutics, Inc. - Common Stock, $0.0001 par value per share for Q3 2026. Use the holders table for investor-level position and value details.

CUSIP: 67448A106

Q3 2026 13F Holders as of 30 Sep 2026

Security type / class: Equity / Common Stock, $0.0001 par value per share
Total 13F shares: 1,653,216
Total 13F value: $22,698,656
Share change: +1,653,216
SEC-reported price per share: $13.73
Number of holders: 3
Value change: +$22,698,656
Number of buys: 3
Shares outstanding: 62,145,091

Security key

67448A106

Report period

Q3 2026

Institutions

Top holders

OBX full security history Ownership snapshot Full 13F holder table Obsidian Therapeutics, Inc. SEC filings Obsidian Therapeutics, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 67448A106

Recent filing periods:

Q3 2026

Ownership snapshot

Top reported holders of OBX - Obsidian Therapeutics, Inc. - Common Stock, $0.0001 par value per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

RA CAPITAL MANAGEMENT, L.P.

Disclosed value leader

Paradigm Biocapital Advis...

Comparable rows

5/11

Latest evidence

28 Sep 2026

13D/G 3/4/5 Lead comparable stake: 9.7% 6 rows are not safely comparable across share classes. 13D/G row: RA CAPITAL MANAGEMENT, L.P. Showing 1-6 of 11 holder rows.

Quick read

RA CAPITAL MANAGEMENT, L.P. leads the comparable SEC ownership view at 9.7%.

5 of 11 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens RA CAPITAL MANAGEMENT, L.P.'s linked filing trail.

Comparable ownership Top 5

RA CAPITAL MANAGEMENT, L.P. 9.7%

Paradigm Biocapital Advisors LP 6.6%

Deep Track Capital, LP 5.4%

Novo Holdings A/S 5.1%

Atlas Venture Fund X, L.P. 4.3%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 11 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
RA CAPITAL MANAGEMENT, L.P.	13D/G 13D/G	9.7% Reported 13D/G · 03 Aug 2026	— 5,957,103 shares	$0	03 Aug 2026
Paradigm Biocapital Advisors LP	13D/G 13D/G	6.6% Reported 13D/G · 28 Sep 2026	$73,008,053 4,101,576 shares	$0	28 Sep 2026
Deep Track Capital, LP	13D/G 13D/G	5.4% Reported 13D/G · 04 Aug 2026	— 3,315,605 shares	$0	04 Aug 2026
Novo Holdings A/S	13D/G 13D/G	5.1% Reported 13D/G · 03 Aug 2026	— 3,123,992 shares	$0	03 Aug 2026
Atlas Venture Fund X, L.P.	13D/G 13D/G	4.3% Reported 13D/G · 03 Aug 2026	— 2,642,587 shares	$0	03 Aug 2026
Matthew Norkunas	3/4/5 Director 3/4/5	— mixed-class rows	— 68,590 shares mixed-class rows	—	03 Aug 2026

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

1,653,216

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2026 vs Q2 2026 Across Filers

Q2 2026 holders

Q3 2026 holders

Holder diff

Investor	Q2 2026 Shares	Q3 2026 Shares	Share Diff	Share Chg %	Q2 2026 value	Q3 2026 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend